Alert archive / Kentucky / Flash Flood Warnings in 2021
Flash Flood Warning 44, NWS Louisville, KY
NWS Louisville, KY issued this flash flood warning at Aug 16, 2021, 5:43 PM EDT for Scott County, Kentucky. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Aug 16, 2021, 5:43 PM EDT (21:43 UTC)
- Expired
- Aug 16, 2021, 8:45 PM EDT
- In force
- 3 hr
- Issued by
- NWS Louisville, KY
- Area
- Storm-based polygon
- Flood severity
- None
County Scott County, KY
The radar
The Louisville radar (KLVX), 128 km from the middle of the area, began a volume at 21:43 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 12:00Z, 9.7 hours before the alert went out and 141 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 241 J/kg
- Mixed-layer CIN
- -41 J/kg
- Mixed-layer LCL
- 572 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 31 m²/s²
- 0-3 km storm-relative helicity
- 50 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
184
WGUS53 KLMK 162143
FFWLMK
KYC209-170045-
/O.NEW.KLMK.FF.W.0044.210816T2143Z-210817T0045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Louisville KY
543 PM EDT Mon Aug 16 2021
The National Weather Service in Louisville has issued a
* Flash Flood Warning for...
Central Scott County in central Kentucky...
* Until 845 PM EDT.
* At 543 PM EDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 1.5 and 2 inches of
rain have fallen. Flash flooding is ongoing or expected to begin
shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar.
IMPACT...Flash flooding of small creeks and streams, urban
areas, highways, streets and underpasses as well as
other poor drainage and low-lying areas.
* Some locations that will experience flash flooding include...
Georgetown, Sadieville, Moon Lake Estates, Delaplain, Rogers Gap,
Mallard Point, Stone Hedge Estates, Shiff, Boydtown and Oxford.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3835 8449 3828 8446 3818 8459 3825 8467
3840 8454
FLASH FLOOD...RADAR INDICATED
$$
MJ2 follow-up statements
800
WGUS73 KLMK 162327
FFSLMK
Flash Flood Statement
National Weather Service Louisville KY
727 PM EDT Mon Aug 16 2021
KYC209-170045-
/O.CON.KLMK.FF.W.0044.000000T0000Z-210817T0045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Scott KY-
727 PM EDT Mon Aug 16 2021
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 845 PM EDT THIS
EVENING FOR CENTRAL SCOTT COUNTY...
At 727 PM EDT, Doppler radar indicated thunderstorms producing heavy
rain across the warned area. Between 2 and 2.5 inches of rain have
fallen. Flash flooding is ongoing or expected to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar.
IMPACT...Flash flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other poor
drainage and low-lying areas.
Some locations that will experience flash flooding include...
Georgetown, Sadieville, Moon Lake Estates, Delaplain, Rogers Gap,
Mallard Point, Stone Hedge Estates, Shiff, Boydtown and Oxford.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3835 8449 3828 8446 3818 8459 3825 8467
3840 8454
FLASH FLOOD...RADAR INDICATED
$$
MJ300
WGUS73 KLMK 170037
FFSLMK
Flash Flood Statement
National Weather Service Louisville KY
837 PM EDT Mon Aug 16 2021
KYC209-170047-
/O.EXP.KLMK.FF.W.0044.000000T0000Z-210817T0045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Scott KY-
837 PM EDT Mon Aug 16 2021
...FLASH FLOOD WARNING WILL EXPIRE AT 845 PM EDT THIS EVENING FOR
CENTRAL SCOTT COUNTY...
The heavy rain has ended. Flooding is no longer expected to pose a
threat. Area creeks and streams may run high for a few hours before
water begins to recede.
LAT...LON 3835 8449 3828 8446 3818 8459 3825 8467
3840 8454
$$
MJThe office that day
Everything else NWS Louisville, KY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 16, 3:20 PM EDT | Areal Flood Advisory | LMK | Bourbon, Fayette, Scott | 3 hr |
| Aug 16, 3:21 PM EDT | Areal Flood Advisory | LMK | Nicholas | 3 hr |
| Aug 16, 3:55 PM EDT | Flash Flood Warning | LMK | Nicholas | 3 hr |
| Aug 16, 5:15 PM EDT | Areal Flood Advisory | LMK | Scott | 3 hr |
| Aug 16, 7:17 PM EDT | Areal Flood Advisory | LMK | Anderson, Mercer, Woodford | 3 hr |
Nearby
Flash Flood Warnings in Kentucky, 2021Every flash flood warning in 2021
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.